A testable educated guess about predicted outcomes between two or more variables is called?

• A. A Hypothesis
• B. A Theory
• C. An Empirical Rule
• D. A Correlation

Answer: (A)

The key idea here is understanding what a hypothesis is. A hypothesis is a testable educated guess about how two or more variables relate to each other, one that you can support or refute by collecting data and analyzing results. It creates a specific expectation—for example, that increasing study time will lead to higher test scores—which you can examine with measurements and methods in a study.

This differs from a theory, which is a broad, well-supported framework that explains a wide range of phenomena and is built on multiple tested hypotheses, not a single bet about a relationship. An empirical rule is a generalization drawn from observations, often informal and not necessarily tested under controlled conditions. A correlation is simply a statistical relationship between variables, describing how they move together, but it doesn’t specify an explanation or a testable prediction about outcomes in the way a hypothesis does.